
/*回到顶部的样式设置*/
#toTop {
	position: fixed;
	right: 10px;
	top: 40%;
	background: orange;
	text-align: center;
	transition: all 0.3s;
	visibility: hidden;
	opacity: 0;
	z-index: -1;
}

#toTop button {
	color: white;
	width: 100%;
	height: 100%;
	outline: none;
	border: none;
	cursor: pointer;
	background: transparent;
	width: 1.4rem;
	height: 1.4rem;
	box-sizing: border-box;
	font-size: 0.3rem;
	border-radius: 50%;
}

.showToTop {
	visibility: visible!important;
	opacity: 1!important;
	z-index: 9999!important;
}